diff --git a/src/auto-reply/reply.directive.directive-behavior.part-1.test.ts b/src/auto-reply/reply.directive.directive-behavior.accepts-thinking-xhigh-codex-models.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-1.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.accepts-thinking-xhigh-codex-models.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-3.test.ts b/src/auto-reply/reply.directive.directive-behavior.applies-inline-reasoning-mixed-messages-acks-immediately.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-3.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.applies-inline-reasoning-mixed-messages-acks-immediately.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-2.test.ts b/src/auto-reply/reply.directive.directive-behavior.defaults-think-low-reasoning-capable-models-no.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-2.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.defaults-think-low-reasoning-capable-models-no.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-12.test.ts b/src/auto-reply/reply.directive.directive-behavior.ignores-inline-model-uses-default-model.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-12.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.ignores-inline-model-uses-default-model.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-9.test.ts b/src/auto-reply/reply.directive.directive-behavior.lists-allowlisted-models-model-list.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-9.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.lists-allowlisted-models-model-list.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-11.test.ts b/src/auto-reply/reply.directive.directive-behavior.prefers-alias-matches-fuzzy-selection-is-ambiguous.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-11.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.prefers-alias-matches-fuzzy-selection-is-ambiguous.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-6.test.ts b/src/auto-reply/reply.directive.directive-behavior.requires-per-agent-allowlist-addition-global.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-6.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.requires-per-agent-allowlist-addition-global.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-7.test.ts b/src/auto-reply/reply.directive.directive-behavior.returns-status-alongside-directive-only-acks.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-7.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.returns-status-alongside-directive-only-acks.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-5.test.ts b/src/auto-reply/reply.directive.directive-behavior.shows-current-elevated-level-as-off-after.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-5.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.shows-current-elevated-level-as-off-after.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-4.test.ts b/src/auto-reply/reply.directive.directive-behavior.shows-current-verbose-level-verbose-has-no.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-4.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.shows-current-verbose-level-verbose-has-no.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-10.test.ts b/src/auto-reply/reply.directive.directive-behavior.supports-fuzzy-model-matches-model-directive.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-10.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.supports-fuzzy-model-matches-model-directive.test.ts
diff --git a/src/auto-reply/reply.directive.directive-behavior.part-8.test.ts b/src/auto-reply/reply.directive.directive-behavior.updates-tool-verbose-during-flight-run-toggle.test.ts
similarity index 100%
rename from src/auto-reply/reply.directive.directive-behavior.part-8.test.ts
rename to src/auto-reply/reply.directive.directive-behavior.updates-tool-verbose-during-flight-run-toggle.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-12.test.ts b/src/auto-reply/reply.triggers.trigger-handling.allows-activation-from-allowfrom-groups.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-12.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.allows-activation-from-allowfrom-groups.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-8.test.ts b/src/auto-reply/reply.triggers.trigger-handling.allows-approved-sender-toggle-elevated-mode.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-8.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.allows-approved-sender-toggle-elevated-mode.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-9.test.ts b/src/auto-reply/reply.triggers.trigger-handling.allows-elevated-off-groups-without-mention.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-9.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.allows-elevated-off-groups-without-mention.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-1.test.ts b/src/auto-reply/reply.triggers.trigger-handling.filters-usage-summary-current-model-provider.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-1.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.filters-usage-summary-current-model-provider.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-6.test.ts b/src/auto-reply/reply.triggers.trigger-handling.handles-inline-commands-strips-it-before-agent.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-6.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.handles-inline-commands-strips-it-before-agent.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-10.test.ts b/src/auto-reply/reply.triggers.trigger-handling.ignores-inline-elevated-directive-unapproved-sender.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-10.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.ignores-inline-elevated-directive-unapproved-sender.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-11.test.ts b/src/auto-reply/reply.triggers.trigger-handling.includes-error-cause-embedded-agent-throws.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-11.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.includes-error-cause-embedded-agent-throws.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-7.test.ts b/src/auto-reply/reply.triggers.trigger-handling.keeps-inline-status-unauthorized-senders.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-7.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.keeps-inline-status-unauthorized-senders.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-5.test.ts b/src/auto-reply/reply.triggers.trigger-handling.reports-active-auth-profile-key-snippet-status.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-5.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.reports-active-auth-profile-key-snippet-status.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-14.test.ts b/src/auto-reply/reply.triggers.trigger-handling.runs-compact-as-gated-command.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-14.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.runs-compact-as-gated-command.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-13.test.ts b/src/auto-reply/reply.triggers.trigger-handling.runs-greeting-prompt-bare-reset.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-13.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.runs-greeting-prompt-bare-reset.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-4.test.ts b/src/auto-reply/reply.triggers.trigger-handling.shows-endpoint-default-model-status-not-configured.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-4.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.shows-endpoint-default-model-status-not-configured.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-3.test.ts b/src/auto-reply/reply.triggers.trigger-handling.shows-quick-model-picker-grouped-by-model.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-3.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.shows-quick-model-picker-grouped-by-model.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-15.test.ts b/src/auto-reply/reply.triggers.trigger-handling.stages-inbound-media-into-sandbox-workspace.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-15.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.stages-inbound-media-into-sandbox-workspace.test.ts
diff --git a/src/auto-reply/reply.triggers.trigger-handling.part-2.test.ts b/src/auto-reply/reply.triggers.trigger-handling.targets-active-session-native-stop.test.ts
similarity index 100%
rename from src/auto-reply/reply.triggers.trigger-handling.part-2.test.ts
rename to src/auto-reply/reply.triggers.trigger-handling.targets-active-session-native-stop.test.ts